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Radioactive Deposits on the Haputa Ranch, Custer County, Colorado

Description: From abstract: An area 2,200 feet long and 400 to 1,300 feet wide within the Haputa ranch, Custer County, Colo., has been mapped at a scale 1:1,200. The rocks in this area consist of quartz-hornblende schist, granite gneiss, hornblende-andesine gneiss, gabbro and peridotite, microcline granite, and pegmatite, of pre-Cambrian age, and lamprophyre dikes of Tertiary age.
Date: November 1951
Creator: Dellwig, Louis F. & Gott, Garland B.
Partner: UNT Libraries Government Documents Department

Geology of the High Climb Pegmatite, Custer County, South Dakota

Description: From abstract: The High Climb pegmatite, Custer County. S. Dak., belongs to the series of pegmatitic and granitic rocks that characterize the Harney Peak region of the southern Black Hills. It intrudes pre-CamInbriani metamorphic rocks consisting chiefly of quartz-mica schist. Along part of the pegmatite contact the country rock has been altered to a tourmaline-rich schist.
Date: 1955
Creator: Sheridan, Douglas M.
Partner: UNT Libraries Government Documents Department

Geology of the Jewel Cave Southwest Quadrangle, Custer County, South Dakota

Description: From introduction: This study was part of the U.S. Geological Survey's continuing study of the geology and ore deposits of the southern Black Hills, which was stimulated by the discovery of uranium deposits in sandstone in the area in 1951 (Page and Redden, 1952; Bell and Bales, 1955).
Date: 1963
Creator: Braddock, William A.
Partner: UNT Libraries Government Documents Department

Uranium Potential and Geology of the Challis Volcanics of the Basin Creek-Yankee Fork Area, Custer County, Idaho: Final Report, Plate 1-5

Description: Appendices containing supplementary geological data of the Basin Creek-Yankee Fork area, including radioactivity measurements, locations of geochemical samples, and locations of paleomagnetic measurements to accompany a report on U.S. uranium resources in Custer County, Idaho.
Date: March 1979
Creator: Siems, Peter L.; Albers, Doyle F.; Malloy, Robert W.; Mitchell, Victoria E. & Perley, Philip C.
Partner: UNT Libraries Government Documents Department

Uranium Potential and Geology of the Challis Volcanics of the Basin Creek-Yankee Fork Area, Custer County, Idaho: Final Report

Description: From objectives: The principal objective of this work is to determine those areas that are favorable for concealed uranium deposits beneath the Challis Volcanic rocks in the area north of the Stanley Basin and south of the West Fork of Yankee Fork.
Date: March 1979
Creator: Siems, Peter L.; Albers, Doyle F.; Malloy, Robert W.; Mitchell, Victoria E. & Perley, Philip C.
Partner: UNT Libraries Government Documents Department

The Rosebud Coal Field, Rosebud and Custer Counties, Montana

Description: From abstract: The Rosebud coal field, named from Rosebud Creek and the village of Rosebud, includes an area of about 1,050 square miles and forms a very small part of the subbituminous and lignite coal fields of eastern Montana and Wyoming and the western part of the Dakotas. It is an irregularly bounded tract lying south of the Yellowstone River in eastern Rosebud County and western Custer County and measures 50 miles from east to west and 28 miles from north to south. It adjoins the Forsyth coal field, on the west, the Ashland coal field, on the south, and the Miles City coal field, in part, on the north.
Date: 1936
Creator: Pierce, William Gamewell
Partner: UNT Libraries Government Documents Department

Supplement Analysis for the Watershed Management Program EIS - Idaho Model Watershed Habitat Projects - Welp Riparian Enhancement Fence

Description: The Bonneville Power Administration is proposing to fund the installation of approximately 1.5 miles of post and wire fence along Valley Creek in Stanley, Idaho. The proposed fence will meet or exceed BPA's minimum requirement of a 35-foot setback from the stream. Fence posts will be driven into the ground with a post ponder. The goal of this project is to enhance salmon and steelhead rearing and migration habitat through exclusion fencing.
Date: August 4, 2004
Partner: UNT Libraries Government Documents Department

Geology and Pegmatites of the Fourmile Quadrangle, Black Hills, South Dakota

Description: Report discussing the geology and pegmatites of the Fourmile Quadrangle, located on the southwest side of the Black Hills uplift in Custer County, South Dakota. "This report is an abstract of a paper with the same title that is planned for publication as a Geological Survey professional paper."
Date: January 1959
Creator: Redden, Jack A.
Partner: UNT Libraries Government Documents Department